Patent US3424797A successfully refreshed from Google Patents.
US3424797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing difluoraminotrifluoromethane
Assignee: United States Department of the Navy
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Filing: 1966-04-25
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Granted: 1969-01-28
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Expires: 1986-04-25
Abstract
No abstract record available.
Inventors
- 👤 Douglas Dybvig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:38
CPC Classifications
C; C07; C07C; C07C19/00; C07C19/08; C07C239/00; C07C239/02; C07C239/04; Y; Y10; Y10S; Y10S149/00; Y10S149/119
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A PROCESS FOR PRODUCING DIFLUORAMINOTRIFLUOROMETHANE WHICH COMPRISES, FLUORINATING POTASSIUM CYANIDE WITH GASEOUS FLUORINE.
Claim 2
Dependent Claim
13 words
A PROCESS FOR PRODUCING DIFLUORAMINOTRIFLUOROMETHANE WHICH COMPRISES, FLUORINATING POTASSIUM CYANIDE WITH GASEOUS FLUORINE.
References Cited (Backward Citations)
US3346639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |